Home / 5,115.46-7,668.06-3,268.66

Finding the Fourth Proportional to 5,115.46, 7,668.06 and 3,268.66

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Solution

The fourth proportional to 5,115.46, 7,668.06 and 3,268.66 is: 4,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.46 : 7,668.06 = 3,268.66 : x
  2. Step 2: Convert to fraction form
    5,115.46/7,668.06 = 3,268.66/x
  3. Step 3: Cross multiply
    5,115.46x = 7,668.06 × 3,268.66
  4. Step 4: Simplify right side
    5,115.46x = 25,064,281.00
  5. Step 5: Solve for x
    x = 25,064,281.00/5,115.46
  6. Step 6: Final answer
    x = 4,899.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.